Cleanroom Testing & Certification in Pennsylvania

Clean Environment Testing in Pennsylvania

Keystone is the leading provider of comprehensive clean environment testing and certification services across Pennsylvania. Our dedicated team ensures that your laboratory spaces, cleanrooms, and critical environments consistently meet the highest standards of safety and cleanliness.

We offer a wide range of specialized services, including meticulous cleanroom testing and certification, rigorous USP 797 compliance testing, thorough fume hood evaluations, precise isolator certification, detailed laminar flow testing, equipment repairs, and more.

With over 25 years of industry experience and an unwavering commitment to delivering exceptional service, we have built a strong reputation among clients in Pennsylvania’s pharmaceutical, academic, research, and advanced manufacturing sectors. Get in touch with us today to discover how we can enhance the safety and reliability of your facility.

Our Services In Pennsylvania

Cleanroom testing / certification

We test and certify all types of cleanrooms to ISO 14644-1 standards. From small to large, we have you covered.

USP 797 testing

We offer USP compliance testing, helping clients deliver safe, effective medication.

Fume Hood Testing

We offer a comprehensive array of fume hood tests such as velocity and smoke pattern testing.

Isolator Certification

We can certify all types of isolators and gloveboxes.

Laminar Flow Testing

We offer testing/certification of laminar flow units / clean benches.

repairs

We can repair fume hoods, biosafety cabinets, HEPA filters, and other pieces of critical equipment.

Advisory services

We offer cleanroom design reviews, operational performance audits, and other advisory services.

Biosafety cabinet certification

We test cabinets in accordance with NSF/ANSI 49, OSHA, NIH/CDC and manufacturer’s specifications.

vivarium testing services

We offer comprehensive testing, certification and maintenance of laboratory animal condos, cage changing stations and other HEPA filtered, ventilated enclosures.

Regional Service Provider

Serving Pennsylvania and Beyond

ABout

Why choose Keystone

Keystone has tested and certified controlled environments for over 25 years. When we started Keystone we serviced Virginia and the surrounding areas. Today we service the east coast. Our team has over 100 collective years of experience in the industry, serving over 200 pharmaceutical, university, research, and advanced manufacturing clients.

We test, certify, and service all controlled environments, including cleanrooms, biosafety cabinets, fume hoods, and isolators. We provide biosafety cabinets, cleanbenches and fume hood reports the same-day, and turnaround electronic cleanroom reports in two weeks. For any emergency, we can get a technician to your site quickly.

We are proudly 100% founder and employee owned. Keystone is a certified minority business enterprise.

Experience

25 years of company history

Quality

Highly trained technicians (average 10-year tenure)

Report Turnaround

We prioritize prompt delivery of reports.

Urgency

We take emergency calls seriously. We can get technicians on-site quickly

People

Founder and employee-owned. Certified minority business enterprise

Additional Cleanroom Services in Pennsylvania

We offer additional services to help our customers create and maintain the best controlled environments.

Cleanroom Design Review

We can work alongside your cleanroom contractor to make sure that your new cleanroom is designed properly. We provide independent, third-party reviews of preliminary cleanroom designs. We can also do the first testing/certification once the cleanroom is constructed.

Cleanroom operational performance audits

We perform operational performance audits to help identify areas for improvement, ensure ongoing compliance, and maintain integrity of the cleanroom environment.

Coaching on internal SOPs

Keystone can work alongside your internal team to make sure your internal SOP adhere to regulatory, industry, and safety standards. We perform, independent, third-party reviews enabling our customers to ensure they’re operating at the highest standard.